Here are seven (not totally scientific) reasons we think this may be the case:

1. You might be doubling up on the work you do. Although we’ve made strides toward a more equitable division of labor, women still tend to do more hours of housework and child-rearing than men do. So women who work outside of the house as well essentially have two jobs.

2. You have too many weeknight plans. Women are overwhelmingly guilty…